The cause of a wildfire now called the Henderson Fire is still under investigation and is still burning. Late yesterday afternoon, firefighters were called to the area of Henderson and Terrace Drives. TheLakeCountyNews reports CalFire said the fire threatened nearby structures and powerlines. 60 firefighters, 15 engines, three tenders, a bulldozer and a helicopter responded. As of late last night, the fire had burned 25 acres and was about 20% contained. Some crews were released overnight, but firefighters are still working the blaze.